Akashic Guitar effects circuit lookup
EQGAINDIST

Enclosure not stated · 3 knobs

Tagboard Effects

Systech OverdriveVerified

Based on the Systech Overdrive· 3 other boards clone it

Category
Overdrive
Controls
EQ · Gain · Dist
Difficulty
Medium
Build
Vero· 20×14· 23 cuts, 9 links
Layout
Verified · Tagboard Effects marks it as built and working
Tags
Overdrive, Systech

From the post

Here is a simple layout for a nice pedal from the 70's.

The schematic I've used is available here.

Schematic

This is a board layout, a drawing of where each part goes, and the post may link the schematic it was drawn from. Open the layout at Tagboard Effects. No KiCad fragment has been drawn for this circuit yet.

Parts list 27 rows

Report a wrong parse

Got parts in a drawer? See what you can build with them.

Check before you build · 1 value the reader of this layout was not sure of
  • 300K (two of them) and 2M: printed clearly, unusual values
RefValueNormalizedTypeNotes
Resistors 13
×1100R100read from the layout by eye
×1220R220read from the layout by eye
×13K33.3kread from the layout by eye
×25K15.1kread from the layout by eye
×410K10kread from the layout by eye
×115K15kread from the layout by eye
×122K22kread from the layout by eye
×2100K100kread from the layout by eye
×2300K300kread from the layout by eye
×11M1Mread from the layout by eye
×12M2Mread from the layout by eye
×110M10Mread from the layout by eye
×1??LED resistor, value not given; read from the layout by eye
Capacitors 6
×11n1nread from the layout by eye
×222n22nread from the layout by eye
×3100n100nread from the layout by eye
×310u10uelectrolytic; read from the layout by eye
×122u22uelectrolytic; read from the layout by eye
×1100u100uelectrolytic; read from the layout by eye
Diodes 2
×21N41481N4148D1, D2; read from the layout by eye
D31N58171N5817read from the layout by eye
Transistors 2
×12N54582N5458JFET, printed 5458; read from the layout by eye
×12N39042N3904printed 3904; read from the layout by eye
ICs 1
×114581458dual op-amp; read from the layout by eye
Potentiometers 3
DistortionC50KC50kPotentiometerread from the layout by eye
EQC5KC5kPotentiometerread from the layout by eye
GainB50KB50kPotentiometerread from the layout by eye

Other boards based on the Systech Overdrive